Check my answers please?
1. What missing number would complete the factorization?
k^2 + 5k + 6...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 22:10, Gkenneth2017
Check my answers please?
1. What missing number would complete the factorization?
k^2 + 5k + 6 = (k + 2)(k + □)
A. 3 ***
B. 6
C. 12
D. 4
2. What missing number would complete the factorization?
x^2 - 7x + 10 = (x - 5)(x - □)
A. 1
B. 2 ***
C. 4
D. 5
3. What missing number would complete the factorization?
v^3 + 12v + 20 = (v + 10)(v + □)
A. 10
B. 20
C. 4
D. 2
( not sure about this one:( )
4. Factor the expression.
t^2 + 10t + 16
A. (t + 2)(t + 5)
B. (t + 2)(t + 8) ***
C. (t + 4)(t + 4)
D. (t + 5)(t + 4)
5. Factor the expression.
n^2 - 15n + 56
A. (n + 7)(n + 8)
B. (n + 7)(n - 8)
C. (n - 7)(n - 8) ***
D. (n - 7)(n + 8)
6. Factor the expression.
q^2 - 8q + 12
A. (q - 4)(q - 3)
B. (q - 4)(q - 2)
C. (q + 6)(q + 2)
D. (q - 6)(q - 2) ***
7. What missing number would complete the factorization?
z^2 - 2z - 48 = (z - 8)(z + □)
A. 3
B. 6
C. 12 ***
D. 4
8. Factor the expression.
w^2 - 7w - 8
A. (w - 8)(w - 1)
B. (w - 2)(w - 4)
C. (w - 8)(w + 1) ***
D. (w + 8)(w - 1)
9. Factor the expression.
r^2 + 19rs + 90s^2
A. (r + 3s)(r + 30s)
B. (r + 3)(r + 30s^2)
C. (r + 10s)(r + 9s) ***
D. (r + 10)(r + 9s^2)
10. Factor the expression.
m^2 - 3mn - 28n^2
A. (m + 4n)(m - 7n) ***
B. (m - 4n)(m + 7n)
C. (m - 2n)(m + 14n)
D. (m + 2n)(m - 14n)
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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